1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
#ifndef HW_PPC_H
#define HW_PPC_H
#include "target/ppc/cpu-qom.h"
void ppc_set_irq(PowerPCCPU *cpu, int n_IRQ, int level);
/* PowerPC hardware exceptions management helpers */
typedef void (*clk_setup_cb)(void *opaque, uint32_t freq);
typedef struct clk_setup_t clk_setup_t;
struct clk_setup_t {
clk_setup_cb cb;
void *opaque;
};
static inline void clk_setup (clk_setup_t *clk, uint32_t freq)
{
if (clk->cb != NULL)
(*clk->cb)(clk->opaque, freq);
}
struct ppc_tb_t {
/* Time base management */
int64_t tb_offset; /* Compensation */
int64_t atb_offset; /* Compensation */
uint32_t tb_freq; /* TB frequency */
/* Decrementer management */
uint64_t decr_next; /* Tick for next decr interrupt */
uint32_t decr_freq; /* decrementer frequency */
QEMUTimer *decr_timer;
/* Hypervisor decrementer management */
uint64_t hdecr_next; /* Tick for next hdecr interrupt */
QEMUTimer *hdecr_timer;
uint64_t purr_load;
uint64_t purr_start;
void *opaque;
uint32_t flags;
};
/* PPC Timers flags */
#define PPC_TIMER_BOOKE (1 << 0) /* Enable Booke support */
#define PPC_TIMER_E500 (1 << 1) /* Enable e500 support */
#define PPC_DECR_UNDERFLOW_TRIGGERED (1 << 2) /* Decr interrupt triggered when
* the most significant bit
* changes from 0 to 1.
*/
#define PPC_DECR_ZERO_TRIGGERED (1 << 3) /* Decr interrupt triggered when
* the decrementer reaches zero.
*/
#define PPC_DECR_UNDERFLOW_LEVEL (1 << 4) /* Decr interrupt active when
* the most significant bit is 1.
*/
uint64_t cpu_ppc_get_tb(ppc_tb_t *tb_env, uint64_t vmclk, int64_t tb_offset);
clk_setup_cb cpu_ppc_tb_init (CPUPPCState *env, uint32_t freq);
/* Embedded PowerPC DCR management */
typedef uint32_t (*dcr_read_cb)(void *opaque, int dcrn);
typedef void (*dcr_write_cb)(void *opaque, int dcrn, uint32_t val);
int ppc_dcr_init (CPUPPCState *env, int (*dcr_read_error)(int dcrn),
int (*dcr_write_error)(int dcrn));
int ppc_dcr_register (CPUPPCState *env, int dcrn, void *opaque,
dcr_read_cb drc_read, dcr_write_cb dcr_write);
clk_setup_cb ppc_40x_timers_init (CPUPPCState *env, uint32_t freq,
unsigned int decr_excp);
/* Embedded PowerPC reset */
void ppc40x_core_reset(PowerPCCPU *cpu);
void ppc40x_chip_reset(PowerPCCPU *cpu);
void ppc40x_system_reset(PowerPCCPU *cpu);
void PPC_debug_write (void *opaque, uint32_t addr, uint32_t val);
#if defined(CONFIG_USER_ONLY)
static inline void ppc40x_irq_init(PowerPCCPU *cpu) {}
static inline void ppc6xx_irq_init(PowerPCCPU *cpu) {}
static inline void ppc970_irq_init(PowerPCCPU *cpu) {}
static inline void ppcPOWER7_irq_init(PowerPCCPU *cpu) {}
static inline void ppce500_irq_init(PowerPCCPU *cpu) {}
#else
void ppc40x_irq_init(PowerPCCPU *cpu);
void ppce500_irq_init(PowerPCCPU *cpu);
void ppc6xx_irq_init(PowerPCCPU *cpu);
void ppc970_irq_init(PowerPCCPU *cpu);
void ppcPOWER7_irq_init(PowerPCCPU *cpu);
#endif
/* PPC machines for OpenBIOS */
enum {
ARCH_PREP = 0,
ARCH_MAC99,
ARCH_HEATHROW,
ARCH_MAC99_U3,
};
#define FW_CFG_PPC_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
#define FW_CFG_PPC_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
#define FW_CFG_PPC_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
#define FW_CFG_PPC_TBFREQ (FW_CFG_ARCH_LOCAL + 0x03)
#define FW_CFG_PPC_CLOCKFREQ (FW_CFG_ARCH_LOCAL + 0x04)
#define FW_CFG_PPC_IS_KVM (FW_CFG_ARCH_LOCAL + 0x05)
#define FW_CFG_PPC_KVM_HC (FW_CFG_ARCH_LOCAL + 0x06)
#define FW_CFG_PPC_KVM_PID (FW_CFG_ARCH_LOCAL + 0x07)
#define FW_CFG_PPC_NVRAM_ADDR (FW_CFG_ARCH_LOCAL + 0x08)
#define FW_CFG_PPC_BUSFREQ (FW_CFG_ARCH_LOCAL + 0x09)
#define PPC_SERIAL_MM_BAUDBASE 399193
/* ppc_booke.c */
void ppc_booke_timers_init(PowerPCCPU *cpu, uint32_t freq, uint32_t flags);
void ppc_cpu_parse_features(const char *cpu_model);
#endif
|
